The Collaborative International Dictionary of English v.0.48:

Heritable \Her"it*a*ble\, a. [OF. h['e]ritable. See Heritage,
   Hereditable.]
   1. Capable of being inherited or of passing by inheritance;
      inheritable.
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   2. Capable of inheriting or receiving by inheritance.
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            This son shall be legitimate and heritable. --Sir M.
                                                  Hale.
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   Heritable rights (Scots Law), rights of the heir; rights to
      land or whatever may be intimately connected with land;
      realty. --Jacob (Law Dict.).
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